Finding efficient non-vented portable air conditioners can be a great solution for those who want to keep cool without the hassle of installation or window vents. These units often combine multiple functions like air cooling, humidifying, and fan modes while being easy to move and operate in various indoor spaces. Below is a summary table featuring top-rated non-vented portable air conditioners along with their key features to help you make an informed choice.
Product | Brand | Cooling Modes | Water Tank Capacity | Oscillation |
---|---|---|---|---|
COOLECH 42 Inch Portable Air Conditioner | COOLECH | 4 Modes (Cooling/Normal/Sleep/Nature) | 1 Gallon | 90° Oscillation |
Uvistare Portable Air Conditioner | Uvistare | 3 Speeds | 1.6 Gallon | 60° Oscillation |
Riseon Portable Evaporative Air Cooler | Riseon | 3 Modes & 3 Speeds | 1.5 Gallon | Not Specified |
Fotuial 4-in-1 Portable AC Unit | Fotuial | 4 Modes (A/C, Fan, Humidifier, Night Light) | 1.5 Liter (Approx. 0.4 Gallon) | No Oscillation |
COOLECH 42 Inch Portable Air Conditioner (Variant) | COOLECH | 4 Modes (Cooling/Normal/Sleep/Nature) | 1 Gallon | 90° Oscillation |
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COOLECH 42 Inch Portable AC with LED Touchscreen

The COOLECH 42 Inch Portable Air Conditioner features 4 customizable modes—Cooling, Normal, Sleep, and Nature—allowing you to tailor your indoor climate with ease. It offers 3 fan speeds delivering airflow up to 25 feet per second and covering room areas up to 300 sq. ft. Its 1-gallon water tank supports up to 15 hours of cooling with no hose or window installation required.
This unit also functions as a fan and humidifier, combating dryness and enhancing comfort. The 90° oscillating air outlet ensures even airflow distribution for better cooling efficiency.
Uvistare Portable Air Conditioner with 1.6 Gal Tank

The Uvistare Portable AC is a windowless evaporative cooler that uses advanced cooling technology to drop air temperatures by 41-48°F. Its large 1.6-gallon water tank enables up to 24 hours of continuous cooling. It operates on low power consumption (65W), making it energy efficient and safe for use around children and pets with its bladeless design.
Equipped with 3 adjustable speeds and 60° oscillation, it is ideal for bedrooms, offices, or small apartments. The included ice packs boost cooling performance during hot summer days.
Riseon 3-In-1 Windowless Portable Air Cooler

The Riseon Portable Evaporative Air Cooler integrates three functions: cooling, fan, and humidifier. It offers 3 speeds and 3 modes for different needs ranging from quiet sleep to active cooling. The 1.5-gallon water capacity allows extended operation while four included ice packs enhance the cooling effect.
It is designed with energy efficiency and quiet operation in mind and features a remote control with a 20-foot range and a programmable 12-hour timer to conveniently adjust settings without leaving your seat.
Fotuial 4-In-1 Ultra-Quiet Portable Air Conditioner

The Fotuial 4-in-1 Portable AC Unit combines air conditioning, humidifying, fan, and night light functions into a compact and portable design. With a 1500ml water tank, it offers up to 8 hours of misting for improved air humidity. Its three fan speeds and two cool mist modes allow for varied cooling levels.
This unit emphasizes ultra-quiet operation, making it suitable for bedrooms, offices, or camping. It includes a timer function with 1, 3, and 6-hour settings for energy savings and convenience.
COOLECH 42 Inch Portable AC Unit with Oscillation

This variant of the COOLECH 42 Inch Portable Air Conditioner shares the same 4 modes and 3 speeds for personalized climate control. It also integrates fan and humidifier capabilities in addition to evaporative cooling. The 1-gallon tank supports 15 hours of continuous operation, and the 90° oscillation spreads airflow widely for improved room coverage.
Its LED touchscreen and 12-hour timer enhance convenience and usability without the need for window or hose installation.
Buying Guide for Non-Vented Portable Air Conditioners
Choosing the right non-vented portable air conditioner requires assessing multiple factors to ensure the unit fits your needs effectively:
Cooling Technology and Modes
- Evaporative Cooling is popular in non-vented units; it uses water evaporation to cool air but works best in dry climates.
- Look for multiple cooling and fan modes like Sleep, Normal, or Nature modes to customize comfort and save energy.
- Some units include a humidifier function which is advantageous in dry environments but less ideal in humid areas.
Water Tank Capacity and Runtime
- Larger water tanks offer longer cooling operation without frequent refilling. Tanks ranging from 1 to 1.6 gallons typically provide 12-24 hours of continuous cooling.
- Easy refill designs, such as top filling, are especially useful for all users.
Airflow and Oscillation
- Check the air throw distance and airflow volume (CFM) to ensure a cool breeze reaches across your room size.
- Units with oscillation functions (60°-90°) distribute cool air more evenly, improving effectiveness.
Energy Efficiency and Noise Levels
- Non-vented units use less power than traditional portable air conditioners, which can reduce electricity bills.
- Quiet operation is important in bedrooms or offices; look for units designed with noise isolation or ultra-quiet technology.
Additional Features
- Timers and remote controls add convenience in daily use.
- Look for units with washable or replaceable filters for easier maintenance.
- Compact and lightweight designs improve portability for various living spaces.